The 650 skeletal muscles in the human body contract when they receive signals from motor neurons, which are triggered from a part of the cell called the sarcoplasmic reticulum. Motor neurons tell your muscles to contract and the better you become at having those signals tell your muscles to contract, the stronger you can get.
<span>Both lunches provide the same amount of energy but the lunch of pizza, salad, and fruit provides more nutrients.</span>
The possible condition that she may be experiencing would be:
Angina Pectoris
<span>This is a medical term for chest pain or the coronary heart disease, it happens when there is not enough blood received in the heart muscle. The symptoms that you would typically experience with Angina would be the pain at the center of the chest or uncomfortable pressure. </span>
